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  2. All Volumes and Issues
  3. Volume 17, Number 1, 2023
  4. An Oligomer with Terminal Unsaturated Double Bonds Based on Epidian 5 and Ethylacrylic Acid

An Oligomer with Terminal Unsaturated Double Bonds Based on Epidian 5 and Ethylacrylic Acid

JCCT.
2023;
Volume 17, Number 1
: pp. 70 - 80
https://doi.org/10.23939/chcht17.01.070
Authors:
  1. Olena Astakhova
  2. Mykhaylo Bratychak Jr.
  3. Ananiy Kohut
  4. Taras Chervinskyy
1
Lviv Polytechnic National University
2
Lviv Polytechnic National University
3
Lviv Polytechnic National University
4
Lviv Polytechnic National University

An oligomer with terminal unsaturated double bonds (unsaturated oligomer, UO) has been synthesized from epoxy resin Epidian 5 and ethylacrylic acid. The impact of the catalyst nature, temperature, and reaction duration on the progress of the reaction between the resin and the acid has been studied. A synthetic technique is proposed for producing the UO. The UO has been characterized by chemical and FTIR-spectroscopic analyses. The UO has been examined in the cross-linking processes with oligoesteracrylates TGM 3 and MGP 9 as well as unsaturated polyester PE 246. In order to prepare structurally colored films, unsaturated azo dyes have been additionally used. A mixture of cumene hy-droperoxide and cobalt naphthenate dissolved in styrene has been utilized as an initiating system for the cross-linking of the formulations. By using FTIR-spectroscopy, the chemistry of the development of the cross-linked structures of the oligoester mixtures in the presence of the UO has been revealed.

Epidian 5
ethylacrylic acid
catalysts
unsatu-rated oligomer
oligoesteracrylates
oligomeric mixtures
FTIR-spectroscopy
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